<!DOCTYPE html>
<html lang="zh-CN">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>首页</title>
  <style>
    *,
    *::after,
    *::before {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    :root {
      min-height: 100vh;
    }

    :root:focus-within {
      scroll-behavior: smooth;
    }

    body {
      min-height: inherit;
    }
  </style>
</head>

<body>
  <div></div>
</body>
<script>
  "use strict"; {
    let numList = new Map([
      [2, new Map([[50, 122]])],
      [3, new Map()],
      [4, new Map()],
      [5, new Map()], [6, new Map()],
    ]);
    let numList1 = new Map([
      [7, new Map()],
      [8, new Map([[50, ["22222", "adoe"]]])],
      [9, new Map()], [10, new Map()], [11, new Map()],
    ]);

    let arr = new Map([...numList, ...numList1]);
    console.log(arr)
  };
</script>

</html>